package com.cwl.pattern.观察者模式;

/**
 * @program: pattern
 * @description: 具体的观察者A
 * @author: ChenWenLong
 * @create: 2019-07-09 16:51
 **/
public class ConcreteObserverA implements Observer {

    @Override
    public void response() {
        System.out.println("具体的观察者A作出响应");
    }
}
